度伐利尤单抗是一种 PD-L1 抑制剂,此前已获 FDA 批准多项适应症,涉及非小细胞肺癌、小细胞肺癌、胆道癌、肝细胞癌、子宫内膜癌等。2024 年,度伐利尤单抗全球销售额 47.17 亿美元(+21%),位列阿斯利康畅销产品榜单第三名。
本次新适应症的获批是基于多中心、全球 III 期试验 NIAGARA 的结果。该试验旨在评估根治性膀胱切除术前后使用度伐利尤单抗对 MIBC 患者进行围手术期治疗的效果。在试验中,1063 名患者随机接受度伐利尤单抗加新辅助化疗,然后进行膀胱切除术,或者在膀胱切除术前单独接受新辅助化疗,术后无需进一步治疗。研究的双重主要终点是无事件生存期(EFS)和膀胱切除时的病理完全缓解 (pCR)。
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